A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5990-01-157-0441
NSN 5960-01-278-9394
NSN 6135-01-365-2707
NSN 2925-01-327-3069
NSN 5999-00-486-0877
NSN 5835-01-245-8077
NSN 6150-01-381-2965
NSN 6620-00-431-3837
NSN 6645-01-376-2336
NSN 5996-01-605-3377
NSN 2925-00-952-7085
NSN 6320-00-578-6898